Barbecue grill



FIG. 1 is a top and left side perspective view of a barbecue grill showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevation view thereof, the opposite side being a mirror image;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a front elevation view thereof; and,

FIG. 6 is a perspective view in an open position with a cooking grid support, two cooking grids, two perforated panels and retainer shown in broken lines for illustrative purposes only, the broken line areas forming no part of the claimed design. 

The ornamental design for a barbecue grill, as shown and described. 